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Pythagoras' legacy mathematics in ten great ideas Dahkki Danesi, Marcel 1946-

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The fifth postulate how unraveling a two-thousand-year-old mystery unraveled the universe Dahkki Bardi, Jason Socrates

The pythagorean proposition its demonstration analyzed and classified and bibliography of sources of the four kinds of "Proofs" Dahkki Loomis, Elisha Scott

From Pythagoras to Einstein. Dahkki Friedrichs, K. O. 1901-